Almost any medication may cause hives or angioedema. Common culprits include penicillin, aspirin, ibuprofen (Advil, Motrin IB, others), naproxen (Aleve) and blood pressure medications. Common allergens. Other substances that can cause hives and angioedema include pollen, animal dander, latex and insect stings. Environmental factors. Examples include heat, cold, sunlight, water, pressure on the skin, emotional stress and exercise.
The color of Neptune is a bright azure blue. During its flyby in 1989, NASAâs Voyager 2 revealed the bright blue color, different from the pale blue color of Uranus. So why does Neptune have this color? The answer to Neptuneâs color comes from its cloud tops. The upper atmosphere of Neptune is made up [â¦]
As in the case of Uranus, the color is due to methane. Neptune would appear darker than Uranus due to dimmer illumination (greater distance from the Sun). Some of the images of Neptune from the Voyager 2 flyby (in 1989) show a deep blue color, but the colors in those images were enhanced. The actual colors of Uranus and Neptune are quite similar. Pluto (no longer a planet; now classified as a dwarf planet): mostly light brown, with some darker regions.